<script>
import { ref } from 'vue'

const channelFunnelChartLoaded = ref(false)

const initChannelFunnelChart = async () => {
  try {
    // ... existing code ...
  } catch (error) {
    console.error('Failed to initialize channel funnel chart:', error)
    channelFunnelChartLoaded.value = false
  }
}

// ... 其他代码 ...

</script>

<style scoped>
/* ... 原有样式代码不变 ... */
</style> 